The Philippines - disaster hotspot

Alice Buchanan
Mind Map by Alice Buchanan, updated more than 1 year ago
Alice Buchanan
Created by Alice Buchanan about 6 years ago
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Description

Disaster Hotspot case study - The Philippines.

Resource summary

The Philippines - disaster hotspot
  1. Earthquakes
    1. The Philippine and Eurasian plate can become locked together and cause pressure to build.
      1. Earthquakes also occur at fault lines, where the plate has cracked under pressure.
        1. 7.8 earthquake - Luzon Island - 1990 - killed over 1500
        2. Volcanoes
          1. Philippines near a destructive plate boundary.
            1. Islands were formed by folding at the boundary and volcanoes formed from rising magma.
              1. Mount Pinatubo - 1991 - people evacuated - buildings collapsed etc.
              2. Tsunamis
                1. Earthquakes in any surrounding oceans cause tsunamis.
                  1. 7.9 earthquake - 1976 - Moro Gulf tsunami - thousands killed - several cities devastated.
                  2. Typhoons
                    1. 10 typhoons every year. Developing in the Pacific Ocean and moving westwards.
                      1. Typhoon Xangsane - Manila - 2006 - high winds - torrential rain - caused flooding - landslides - loss of power and water.
                      2. Flood
                        1. Floods caused by typhoons and heavy rain.
                          1. Lowland areas of Manila - 1970's - and recently - crops devastated.
                          2. Drought
                            1. Some areas have distinct wet and dry seasons e.g. Manila
                              1. Drought can occur when there has not been enough rain to last a dry season or the dry season is particularly harsh.
                                1. Drought - Luzon island - 2005 - reduction in rainfall - affected power production from hydroelectric - economic and social activity severely reduced.
                                2. Landslides
                                  1. Philippines gets a lot of rain, if it smalls in a short space of time landslides can occur. They can also be triggered by earthquakes
                                    1. A landslide on Leyte Island - 2006 - heavy rain for 10 days - whole village buried - hundreds killed.
                                    2. Vulnerability - low capacity to cope.
                                      1. Hazards strike in densely populated areas , greater risk it will become a disaster.
                                        1. Population pressures led to deforestation, increasing risk of landslides
                                          1. Fast growing economy but many still live under the poverty line, they will be severely affected.
                                            1. Fast growing settlements built near hazardous areas
                                              1. Many people live in unstable locations e.g. tribes
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